Home / 155,153,863.20-232,730,794.80-142,052,858.40

Finding the Fourth Proportional to 155,153,863.20, 232,730,794.80 and 142,052,858.40

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Solution

The fourth proportional to 155,153,863.20, 232,730,794.80 and 142,052,858.40 is: 213,079,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,153,863.20 : 232,730,794.80 = 142,052,858.40 : x
  2. Step 2: Convert to fraction form
    155,153,863.20/232,730,794.80 = 142,052,858.40/x
  3. Step 3: Cross multiply
    155,153,863.20x = 232,730,794.80 × 142,052,858.40
  4. Step 4: Simplify right side
    155,153,863.20x = 33,060,074,639,043,860
  5. Step 5: Solve for x
    x = 33,060,074,639,043,860/155,153,863.20
  6. Step 6: Final answer
    x = 213,079,287.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.